Meteor.startup(function() {
	ChatRoom.find().observe({
		added(data) {
			Session.set('roomData' + data._id, data);
		},
		changed(data) {
			Session.set('roomData' + data._id, data);
		},
		removed(data) {
			Session.set('roomData' + data._id, undefined);
		}
	});
});
